Creating a Snapshot of Files on a C Series Controller

You can create a snapshot of the system software to serve as a backup. When you create a snapshot, the software backs up the operating system and the SRC software to a partition on the C Series Controller. You can restore the files in a snapshot to the system software if needed.

To create a snapshot of the system software:

1. Verify which version of the software is running on the system.

   Note: When you issue the show system information command in a virtualized SRC software, the manufacturer, version, and serial number details are not displayed in the output. In addition, the product name is displayed as vSRC.

   user@host> show system information

2. Enter the request system snapshot command. Use the verbose option to view information about the snapshot process.

   user@host> request system snapshot verbose
   Create system snapshot [yes,no] ? (no) yes
   

   Filesystem label=
   mke2fs 1.35 (28-Feb-2004)
   OS type: Linux
   Block size=4096 (log=2)
   Fragment size=4096 (log=2)
   262144 inodes, 524288 blocks
   26214 blocks (5.00%) reserved for the super user
   First data block=0
   Maximum filesystem blocks=536870912
   16 block groups
   32768 blocks per group, 32768 fragments per group
   16384 inodes per group
   Superblock backups stored on blocks: 
           32768, 98304, 163840, 229376, 294912

   Writing inode tables: done                            
   Creating journal (8192 blocks): done
   Writing superblocks and filesystem accounting information: done

   This filesystem will be automatically checked every 32 mounts or
   180 days, whichever comes first. Use tune2fs -c or -i to override.
     DUMP: Date of this level 0 dump: Thu Oct 19 09:43:44 2006
     DUMP: Dumping /dev/mapper/vg0-root (/) to standard output
   restore: cannot open /dev/tty: No such device or address
     DUMP: Label: none
     DUMP: Writing 64 Kilobyte records
     DUMP: mapping (Pass I) [regular files]
     DUMP: mapping (Pass II) [directories]
     DUMP: estimated 1036678 blocks.
     DUMP: Volume 1 started with block 1 at: Thu Oct 19 09:43:45 2006
     DUMP: dumping (Pass III) [directories]
     DUMP: dumping (Pass IV) [regular files]
     
     DUMP: Volume 1 completed at: Thu Oct 19 09:48:13 2006
     DUMP: Volume 1 1035200 blocks (1010.94 MB)
     DUMP: Volume 1 took 0:01:10
     DUMP: Volume 1 transfer rate: 14788 Kbps
     DUMP: 1035200 blocks (1010.94 MB)
     DUMP: finished in 70 seconds, throughput 14788 KBps
     DUMP: Date of this level 0 dump: Thu Oct 19 09:47:02 2006
     DUMP: Date this dump completed:  Thu Oct 19 09:48:13 2006
     DUMP: Average transfer rate: 14788 Kbps

3. Verify information about the snapshot.

   user@host> show system snapshot